Tenders Description & Specification for Post Office Box
Post Office Box
Post Office Boxes (Plug Type Constantan Coils):-These have three ration coils of 10, 100, 1000, ohms and 16 series 1 to 5000 ohms.
Post office Box :- Lacquered Cabinet Polish constantan Coil.
Post Office Box :- Constantan Coil Round Block.
Post Office Box :- Very useful for Colleges Institutions contained with some special
Two taping key with silver contacts are provided for battery and galvanometer.
P.O. Boxes are specially designed and made of specially treated material.
Coils are heat treated and aged.
PLUGS : Interchangeable brass plugs having oval fitted bakelite top.
COILS : Coils are wound of double silk cover imported wires on bakelite bobins.
Post office Box :- Most accurate double contacts heavy blocks Export Quality.
Total 11110 ohms.
Blocks : Standard size and made from corrosion resistance fine hard brass golden Lacquard accuracy + 0.05% to 0.1%
Features Accuracy + 0.02% to + 0.05%.
Ltekonline are the manufacturers of Post Office Box used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Physics Lab Equipment for Engineering Teaching Lab in Universities
